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Xiamen Seals Technology Co.,Ltd
Address: Unit233, No.273, Lingxia North RD, Huli High technology District, Xiamen, China
Tel: +86-592-5775761
Fax: +86-592-5775761
E-mail: info@sealsmanufacturer.com

Butyl Rubber IIR Oring

Standard Isobutene Isoprene IIR Orings

Standard Isobutene Isoprene IIR Orings

Standard IIRs are sulfur-cured. We can develop custom Butyl o-rings to meet customer applications or specifications....
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Standard Isobutene Isoprene IIR Orings

Generally know as butyl rubber.

Butyl compounds have similar chemical resistance to ethylene-propylene. They display excellent resistance to air, water, dilute acids and alkalis; plus resistance to aliphatic phosphate-ester hydraulic fluids, salt solutions, alcohols, glycols and silicone oils.

Resistance to hydrocarbons is poor: butyl must not be used with mineral oils.

Typical operating temperatures
-35°C to +120°C continuous, or to +150°C intermittent. 

Fluid sealing duties
Very low gas permeability makes butyl popular for vacuum and high pressure gas applications. 

Standard grades
Supplied in grades of 60-70 IRHD.

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